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O'Sullivan 
Summary
O'Sullivan may refer to:
People edit
- O'Sullivan family, a gaelic Irish clan
- O'Sullivan (surname), a family name
- Sullivan (surname), a variation of the O'Sullivan family name
Places edit
- O'Sullivan Dam, Washington, United States
- O'Sullivan River, Quebec, Canada
- O'Sullivan Army Heliport, California, United States
- O'Sullivan Beach, South Australia
Other uses edit
- O'Sullivan College, a private university in Canada
- O'Sullivan Ladies Open, an LPGA golf tournament
- O'Sullivan test, a diabetes screening test
- O'Sullivan v Noarlunga Meat Ltd, a series of Australian High Court cases